Inflatable exercise device



FIG. 1 is a perspective view of an inflatable exercise device;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear side elevation view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in FIGS. 1-7 represent portions of the inflatable exercise device that form no part of the claimed design. 

CLAIM I claim the ornamental design for an inflatable exercise device, as shown and described. 